/*******************************************************************************
 * Copyright (c) 2010 liw.
 * All rights reserved. 
 * 
 * This file is part of VanBus.
 * 
 *     VanBus is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     VanBus is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with VanBus.  If not, see <http://www.gnu.org/licenses/>.
 * Contributors:
 *     liw - initial API and implementation
 ******************************************************************************/
package org.niclab.vanbus.query.command;

import android.app.Activity;
import android.app.ExpandableListActivity;
import android.util.Log;
import android.widget.BaseExpandableListAdapter;

public class UpdateBusRouteListCmd implements ICommand{

	private final static String LOG_TAG="UpdateBusRouteListCmd";
	private Activity act;

	public UpdateBusRouteListCmd(Activity act){
		this.act=act;
	}
	@Override
	public void execute(Object result,ICommandChain chain) {
		ExpandableListActivity activity = (ExpandableListActivity) act;
		BaseExpandableListAdapter adapter = (BaseExpandableListAdapter) activity.getExpandableListAdapter();
		
		adapter.notifyDataSetChanged();
		Log.d(LOG_TAG,"data updated");
		if(adapter.getGroupCount()==0)
			chain.execute(result);
		
	}
}
